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LibWeb: Use fixed-point saturated arithmetics for CSSPixels

Using fixed-point saturated arithmetics for CSSPixels allows to avoid
accumulating floating-point errors.

This implementation is not complete yet: currently saturated
arithmetics implemented only for addition. But it is enough to not
regress any of layout tests we have :)

See https://github.com/SerenityOS/serenity/issues/18566
This commit is contained in:
Aliaksandr Kalenik 2023-07-23 01:09:39 +02:00 committed by Andreas Kling
parent 5cdd03fc53
commit bec07d4af7
136 changed files with 1938 additions and 1844 deletions

View file

@ -1,8 +1,8 @@
Viewport <#document> at (0,0) content-size 800x600 children: not-inline
BlockContainer <html> at (1,1) content-size 798x97.817501 [BFC] children: not-inline
Box <body> at (10,10) content-size 780x79.817501 [GFC] children: not-inline
BlockContainer <h1> at (55.5,32.440000) content-size 689x34.9375 [BFC] children: inline
BlockContainer <html> at (1,1) content-size 798x97.8125 [BFC] children: not-inline
Box <body> at (10,10) content-size 780x79.8125 [GFC] children: not-inline
BlockContainer <h1> at (55.5,32.4375) content-size 689x34.9375 [BFC] children: inline
line 0 width: 492.96875, height: 34.9375, bottom: 34.9375, baseline: 27.0625
frag 0 from TextNode start: 0, length: 31, rect: [55.5,32.440000 492.96875x34.9375]
frag 0 from TextNode start: 0, length: 31, rect: [55.5,32.4375 492.96875x34.9375]
"Null publishes fine indie games"
TextNode <#text>